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Table 1 Heartworm prevalence within mosquito species

From: Mosquito diversity and dog heartworm prevalence in suburban areas

Species

No. of individuals

No. of pools

Positive pools (land-use type)

Positive pools (%)

MLE (95% CI)

Aedes albopictus

3429

585

2 (suburban)

0.342

0.58 (0.1–1.91)

Ae. atlanticus

437

63

0

0

–

Ae. canadensis

33

13

1 (wood)

7.692

29.75 (1.79–136.00)

Ae. cinereus

3

3

0

0

–

Ae. fulvus pallens

1

1

0

0

–

Ae. infirmatus

13

7

0

0

–

Ae. triseriatus

182

95

1 (wood)

1.053

5.47 (0.32–26.14)

Ae. vexans

732

296

0

0

–

Anopheles crucians

38

34

1 (field)

2.941

26.23 (1.52–119.72)

An. punctipennis

377

198

0

0

–

An. quadrimaculatus

283

176

2 (1 field, 1 suburban)

1.136

7.05 (1.26–22.79)

Coquillettidia perturbans

63

41

0

0

–

Culex sp.a

6

6

0

0

–

Cx. erraticus

578

232

2 (1 wood, 1 suburban)

0.862

3.5 (0.62–11.48)

Cx. peccator

1

1

0

0

–

Cx. pipiens

340

148

2 (1 field, 1 suburban)

1.351

5.92 (1.06–19.26)

Cx. restuans

1

1

0

0

–

Cx. salinarius

1265

349

0

0

–

Orthopodomyia signifera

1

1

0

0

–

Psorophora ciliata

4

3

0

0

–

Ps. columbiae

339

137

4 (2 field, 2 suburban)

2.920

11.85 (3.89–28.05)

Ps. ferox

357

98

0

0

–

Total

8483

2488

15

0.603

1.77 (1.03–2.85)

  1. aToo damaged to identify beyond genus level
  2. Notes: For each mosquito species, total number of individuals captured throughout the study period, number of pools tested for the presence of Dirofilaria immitis DNA, number of positive pools, percent positive pools and maximum likelihood estimate (MLE) are reported. The land-use types from which the positive pools were collected are denoted in parentheses after the total number of positive pools by species. MLE values give a point estimate of the infection rate per 1000 individuals